Harald Greycloak

Harald Greycloak (935-970) was King of Norway from 961 to 970, succeeding Haakon I of Norway and preceding Harald Bluetooth.

Biography
Harald Greycloak was born in 935, the son of Eirik Bloodaxe (making him a grandson of Harald Fairhair) and Gunnhild Gormsdatter (the sister of Harald Bluetooth). When his father died in 954, Harald Greycloak allied with Fairhair against King Haakon I of Norway, and he killed Haakon at Fitjar in 961. His uncle Harald Bluetooth declared Greycloak to be his vassal king in Norway, and Greycloak conquered Halogaland. He also launched a viking raid on Arkhangelsk in Russia, and he consolidated his rule in Norway by killing several nobles, including Jarl Sigurd Haakonsson of Lade. In 970, he was assassianted in Denmark by Haakon Sigurdsson, the son of the slain Jarl of Lade.